User manual

VP-553 - The VP-553 RS-232 Communication Protocol
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9 The VP-553 RS-232 Communication Protocol
The VP-553 can be operated using serial commands from a PC, remote controller,
or touch screen. The unit communicates using the default Kramer Protocol 3000.
 Kramer Protocol 3000 syntax (see Section 9.1)
 Kramer Protocol 3000 command list (see Section 9.2)
 Kramer Protocol 3000 detailed commands (See Section 9.3)
9.1 Kramer Protocol 3000 Syntax
Protocol 3000 communicates at a data rate of 115200 baud, no parity, 8 data bits
and 1 stop bit.
9.1.1 Host Message Format
Start
Address (optional)
Body
Delimiter
#
Destination_id@
Message
CR
Simple Command
Command string with only one command without addressing:
Start
Body
Delimiter
#
Command SP Parameter_1,Parameter_2,…
CR
Command String
Formal syntax with commands concatenation and addressing:
Start
Address
Body
Delimiter
#
Destination_id@
Command_1 Parameter1_1,Parameter1_2,…|
Command_2 Parameter2_1,Parameter2_2,…|
Command_3 Parameter3_1,Parameter3_2,…|…
CR
9.1.2 Device Message Format
Start
Address (optional)
Body
delimiter
~
Sender_id@
Message
CR LF
Device Long Response
Echoing command:
Start
Address (optional)
Body
Delimiter
~
Sender_id@
Command SP [Param1 ,Param2 …] result
CR LF
CR = Carriage return (ASCII 13 = 0x0D)
LF = Line feed (ASCII 10 = 0x0A)
SP = Space (ASCII 32 = 0x20)